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2,515
RESULTS

texts 2,503
movies 10
audio 2
COLLECTION
TOPIC
Coal mines and mining 1,177
Gold mines and mining 612
Or 233
Natural gas 219
Natural gas pipelines 218
Mines and mineral resources 152
Charbon 126
Strip mining 124
Silver mines and mining 104
Coal 103
Copper mines and mining 99
Geology 89
Reclamation of land 89
Iron mines and mining 63
Coal leases 55
Abandoned coal mines 50
Environmental impact analysis 47
coal mines and mining 43
mineral industries 43
Coal trade 39
Mineralogy 38
anthracite coal 36
Gold 34
Fer 33
Cuivre 32
Lead mines and mining 32
Environmental impact statements 29
Argent 28
Mineral industries 28
Diamond mines and mining 27
Molybdenum mines and mining 27
Abandoned mined lands reclamation 24
Mines et ressources minières 23
Uranium mines and mining 23
Klondike (Mines d'or) 22
Prospecting 22
Gold mines and mining -- California 21
Mining law 21
Klondike gold fields 20
Klondike gold rush 20
Land use 20
Pennsylvania. Dept. of Mines 20
Public lands 20
Anthracite coal 19
Pennsylvania. Department of Mines and Mineral Industries 19
Zinc mines and mining 19
Iron industry and trade 18
Platinum mines and mining 18
Géologie 17
Hydrology 17
Mines 17
Nickel mines and mining 17
CSAIP 16
Geology, Economic 16
Hydraulic mining 16
Palladium 16
Golden Sunlight Mines, Inc 15
Iron ores 15
Mining corporations 15
Nickel 15
Pennsylvania. Department of Mines 15
Sociétés minières 15
Water resources development 15
bub_upload 15
Gold mines and mining -- Alaska 13
Mining engineering 13
Prospection 13
United States. Bureau of Land Management 13
Phosphate mines and mining 12
Stillwater Mining Company 12
bituminous coal 12
Anaconda Nevada Moly Project 11
Coal mine waste 11
Coke 11
Coke industry 11
Electric lines 11
Mercury mines and mining 11
Mine subsidences 11
Solution mining 11
United States. Bureau of Land Management. Powder River Resource Area 11
Acid mine drainage 10
Conservation of natural resources 10
Géologie économique 10
Indians of North America 10
Mine ventilation 10
Power resources 10
Range management 10
Salt mines and mining 10
Coal mines and mining -- Illinois 9
Gold mines and mining -- United States 9
Manganese mines and mining 9
Mine gases 9
Pennsylvania. Department of Environmental Resources 9
Railroads 9
Tin mines and mining 9
CPJCB 8
California State Mining Bureau 8
Copper 8
Employment agencies 8
Gold mines and mining -- Australia 8
Gold ores 8
Groundwater 8
Mine explosions 8
Minéralogie 8
Silver 8
Smuggling 8
Air quality 7
Circle West Project 7
Coal mines and mining -- Great Britain 7
Coal mines and mining -- Maryland. 7
Coal preparation plants 7
Coal reserves 7
Environmental policy 7
Frontier and pioneer life 7
Gold mines and mining -- Fiction 7
Klondike River Valley (Yukon) -- Gold discoveries 7
Mine safety 7
Plomb 7
Silver mines and mining -- Nevada 7
Silver mines and mining -- United States 7
Western Energy Company 7
Wildlife management 7
Boring 6
Cities and towns 6
Coal mine accidents 6
Coal miners 6
Coal mines and mining -- United States 6
Copper industry and trade 6
Lead 6
Mica 6
Mica mines and mining 6
Mine roof control 6
Mines and mineral resources -- United States 6
Pennsylvania. Bureau of Mines 6
United States. Navy 6
Water quality 6
Wildlife conservation 6
Alaska -- Description and travel 5
Animal ecology 5
Asbestos mines and mining 5
Bituminous coal 5
Comstock Lode (Nev.) 5
Energy policy 5
Engineering 5
Excavations (Archaeology) 5
Frontier and pioneer life -- California 5
Gold mines and mining -- Nevada 5
Ground control (Mining) 5
Manganèse 5
Mine haulage 5
Mine surveying 5
Mines and mining 5
Oil and gas leases 5
Population forecasting 5
Rocky Mountains 5
Salt industry and trade 5
Sel 5
South Wales Institute of Engineers 5
Theses 5
Voyages and travels 5
Voyages to the Pacific coast 5
Western stories 5
Wilderness areas 5
Air 4
Black Hawk War, 1832 4
Chemins de fer 4
Clark, George Rogers, 1752-1818 4
Coal mines and mining -- Kentucky 4
Coal mines and mining -- West Virginia 4
Copper mines and mining -- Arizona 4
Copper ores 4
Cyanide process 4
Draper, Lyman Copeland, 1815-1891 4
Electric power-plants 4
Energy development 4
Environmental protection 4
Federal Coal Management Program (U.S.) 4
Gold miners 4
Gold mines and mining -- Colorado 4
Gold smuggling 4
Illinois Coal Development Board 4
Illinois. Office of Coal Development and Marketing 4
Indians of South America 4
Manganese 4
Mine accidents 4
Mine valuation 4
Pacific States -- Description and travel 4
Petrology 4
Phosphate industry 4
Placer deposits 4
Soils 4
Steel industry and trade 4
Strikes and lockouts 4
Wild horses 4
Zinc 4
Adventure and adventurers -- Juvenile fiction 3
Amiante 3
Animal populations 3
Appalachians (People) 3
Archaeological surveying 3
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